84170263 has 2 divisors, whose sum is σ = 84170264. Its totient is φ = 84170262.

The previous prime is 84170231. The next prime is 84170293. The reversal of 84170263 is 36207148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84170263 - 2⁵ = 84170231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84170293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42085131 + 42085132.

It is an arithmetic number, because the mean of its divisors is an integer number (42085132).

Almost surely, 2^84170263 is an apocalyptic number.

84170263 is a deficient number, since it is larger than the sum of its proper divisors (1).

84170263 is an equidigital number, since it uses as much as digits as its factorization.

84170263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 84170263 is about 9174.4352959733. The cubic root of 84170263 is about 438.2476151095.

The spelling of 84170263 in words is "eighty-four million, one hundred seventy thousand, two hundred sixty-three".